Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 63.4 m = 208.0 ft
Main Spans: 3 at 20.7 m = 67.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 20.6 m = 67.6 ft for a 16.2 m = 53.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00155]: Story County [169], Iowa [19]
Owned by City or Municipal Highway Agency [04], DOT District: 0
A16000585
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 51.2 metric ton = 56.3 tons (Load Factor(LF) [1])
Inventory: 25.1 metric ton = 27.6 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 8600 (2019) and Trucks: 0%
Future ADT: 8600 (In 2040
)